Lamp Mode; Gamma Correction; Aspect Ratio; Noise Reduction - NEC VT440 Service Manual
Hide thumbs
Also See for VT440:
- User manual (42 pages) ,
- Installation data (8 pages) ,
- Specifications (2 pages)
Table of Contents
Advertisement
Lamp Mode
This feature enables you to select two brightness mode of the lamp:
High-Bright and Eco modes. The lamp life can be extended up to
3000 hours by using the Eco mode.
High-Brigh Mode: This is the default setting.
Eco Mode:
Select this mode to increase the lamp life.
NOTE: If you have selected the Eco mode, the lamp lights in High-
Bright mode for 3 minutes after the projector is turned on. After 3
minutes the lamp will change to Eco mode.
Gamma Correction (Advanced mode)
Use the
or
buttons to choose "Normal" when in a lighted
room and "Natural 1&2" when in a darkened room. "Natural 1"
for better flesh tone; "Natural 2" for true reproduction of middle
tones.
Each mode is recommended for :
Normal:
the regular picture
Natural 1: true color reproduction of natural tones
Natural 2: dark portions of a picture
Advanced Options (Advanced mode)
Allows for adjustments of image position and stability.
When you select Advanced Options in Advanced mode, the follow-
ing options are available: Aspect Ratio, Noise Reduction, Color Ma-
trix, White Balance, Auto Adjust, Position/Clock, Resolution, and
Factory Default.
Aspect Ratio
Aspect Ratio allows you to select the best Aspect mode to display
your source image.
When 4:3 is selected from the source (i.e. DVD player), the fol-
lowing selections will display:
Normal
Zoom
A-Standard
B-All 4 sides
4:3 Aspect
stretched
When Anamorphic or 16:9 is selected from the source (i.e. DVD
player), the following selections will display:
Normal
Zoom
A-16:9 image
B- All 4 sides
displayed
stretched
in 4:3 mode
NOTE: Aspect Ratio is not available for "RGB".
Noise Reduction:
You can select three levels video noise reduction.
NOTE: The lower the Noise Reduction level, the better the im-
age quality by way of higher video bandwidth.
Color Matrix
First select an appropriate color matrix to fit your component
signal for HDTV or SDTV. Then select an appropriate matrix
type from B-Y/R-Y, Cb/Cr or Pb/Pr.
NOTE: The Color Matrix feature is available for component
video signal only.
E–29
Wide Zoom
Cinema
C-Left & Right
D-Left and right
stretched
stretched
Wide Zoom
Cinema
C- Left & right
D- Left and right
stretched
stretched to
display the true
aspect
- Quick Links:
- Lcd Projector
- Power/ Status Light Messages
Hide quick links:
Advertisement
Chapters
Table of Contents
Troubleshooting
